do not drink alcohol in excess with cialis. side effects may include headache, upset stomach, delayed backache or muscle ache. to avoid long-term injury, seek immediate medical help for an erection lasting more than four hours. if you have any sudden decrease or loss in hearing or vision, or if you have any allergic reactions such as rash, hives, swelling of the lips, tongue or throat, or difficulty breathing or swallowing, stop taking cialis and get medical help right away. ask your doctor about cialis for daily use and a 30-tablet free trial. >>> welcome back, everyone. the u.s. says it would consider restarting its food aid program to north korea, but only if american monitors are allowed into the secretive country. >> that's the thing. u.s. special envoy to north korea robert king says washington would need to know that the food is actually going to the north korean people, not, for example, to the military. he says that despite bellicose redrick out of pyongyang in recent weeks, the u.s. doesn't tie humanitarian needs to p